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KOYO / Single-row / metric series

KOYO 30326JR

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
130 mm
Outside diameterD
280 mm
WidthB
58 mm
Dynamic load ratingC
823 kN
Static load ratingC0
834 kN
Limiting speednG
1400 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Metric series
Bore diameterd130 mm
Outside diameterD280 mm
WidthB58 mm
Basic dynamic load ratingC823 kN
Basic static load ratingC0834 kN
Fatigue load limitPu102 kN
Limiting speednG1400 r/min
Mass≈m18.1 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d130 mm
D280 mm
T63.75 mm
B58 mm
C49 mm
R(Min.)5 mm
R1(Min.)4 mm
Basic Load Ratings : Cr823 kN
Basic Load Ratings : C0R834 kN
Fatigue Load Limit : Cu102 kN
Limiting Speeds(Grease Lub.)1400 min-1
Limiting Speeds(Oil Lub.)1800 min-1
Load Center Spread : A54.0 mm
Constant E0.35
Axial Load Factors : Y11.74
Axial Load Factors : Y00.96
Da(Min.)239 mm
Db(Max.)164 mm
Da(Max.)262 mm
Db(Min.)255 mm
Sa(Min.)8 mm
Sb(Min.)14.5 mm
Ra(Max.)4 mm
Rb(Max.)3 mm
Mass(Refer.)18.1 kg

Technical documents & data sheet

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Record identity
KOYO 30326JR
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